////////////////////////////////////////////////////////////////////////////////////////
//
// Nestopia - NES/Famicom emulator written in C++
//
// Copyright (C) 2003-2008 Martin Freij
//
// This file is part of Nestopia.
//
// Nestopia is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// Nestopia is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Nestopia; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
////////////////////////////////////////////////////////////////////////////////////////

#include "NstWindowUser.hpp"
#include "NstWindowParam.hpp"
#include "NstApplicationMain.hpp"
#include "../core/api/NstApiMachine.hpp"

namespace Nestopia
{
	namespace Application
	{
		Main::Main(const int cmdShow)
		:
		menu          ( IDR_MENU ),
		preferences   ( emulator, instance.GetConfiguration2(), menu ),
		logfile       ( emulator, menu, preferences ),
		language      ( emulator, menu ),
		paths         ( emulator, instance.GetConfiguration2(), menu ),
		window        ( emulator, instance.GetConfiguration2(), menu, paths, preferences, cmdShow ),
		recentFiles   ( emulator, instance.GetConfiguration2(), menu ),
		recentDirs    ( emulator, instance.GetConfiguration2(), menu ),
		machine       ( emulator, instance.GetConfiguration2(), menu, preferences ),
		netplay       ( emulator, instance.GetConfiguration2(), menu, paths, window.Get() ),
		launcher      ( emulator, instance.GetConfiguration2(), menu, paths, window.Get() ),
		fds           ( emulator, instance.GetConfiguration2(), menu, paths ),
		tapeRecorder  ( emulator, instance.GetConfiguration2(), menu, paths ),
		dipSwitches   ( emulator, instance.GetConfiguration2(), menu ),
		barcodeReader ( emulator, menu ),
		nsf           ( emulator, instance.GetConfiguration2(), menu ),
		movie         ( emulator, menu, paths ),
		cheats        ( emulator, instance.GetConfiguration2(), menu, paths ),
		saveStates    ( emulator, menu, paths, window ),
		imageDatabase ( emulator, instance.GetConfiguration2(), menu, paths ),
		imageInfo     ( emulator, menu ),
		help          ( emulator, menu ),
		inesHeader    ( emulator, menu, paths ),
		files         ( emulator, menu, paths, preferences, movie, tapeRecorder, cheats, saveStates, window )
		{
			static const Window::MsgHandler::Entry<Main> messages[] =
			{
				{ WM_CLOSE,           &Main::OnWinClose           },
				{ WM_QUERYENDSESSION, &Main::OnWinQueryEndSession }
			};

			window.Get().Messages().Add( this, messages );
			menu.Commands().Add( IDM_FILE_QUIT, this, &Main::OnCmdFileExit );

			instance.GetConfiguration2().Reset();

			if (instance.GetConfiguration2().GetStartupFile().Length())
				window.Get().Send( Instance::WM_NST_LAUNCH, 0, instance.GetConfiguration2().GetStartupFile().Ptr() );
		}

		Main::~Main()
		{
			emulator.Unload();

			menu.Commands().Remove( this );
			window.Get().Messages().Remove( this );
		}

		void Main::Save()
		{
			Instance::Waiter waiter;

			Configuration& cfg = instance.GetConfiguration2();

			preferences.Save   ( cfg );
			recentFiles.Save   ( cfg );
			recentDirs.Save    ( cfg );
			paths.Save         ( cfg );
			imageDatabase.Save ( cfg );
			launcher.Save      ( cfg, preferences[Managers::Preferences::SAVE_LAUNCHERSIZE], preferences[Managers::Preferences::SAVE_LAUNCHER] );
			netplay.Save       ( cfg, preferences[Managers::Preferences::SAVE_NETPLAY_GAMELIST] );
			fds.Save           ( cfg );
			dipSwitches.Save   ( cfg );
			tapeRecorder.Save  ( cfg );
			nsf.Save           ( cfg );
			window.Save        ( cfg );
			machine.Save       ( cfg );

			if (preferences[Managers::Preferences::SAVE_CHEATS])
				cheats.Save( cfg );

			if (preferences[Managers::Preferences::SAVE_SETTINGS])
				cfg.EnableSaving();

			instance.Save();
		}

		int Main::Run()
		{
			int exitCode = window.Run();
			emulator.Unload();

			if (exitCode == EXIT_SUCCESS)
				Save();

			return exitCode;
		}

		bool Main::FirstUnloadOnExit()
		{
			return
			(
				preferences[Managers::Preferences::FIRST_UNLOAD_ON_EXIT] &&
				emulator.IsImage()
			);
		}

		bool Main::OkToExit() const
		{
			return
			(
				!preferences[Managers::Preferences::CONFIRM_EXIT] ||
				Window::User::Confirm( IDS_ARE_YOU_SURE, IDS_TITLE_EXIT )
			);
		}

		void Main::Exit()
		{
			if (netplay.Close())
			{
				if (FirstUnloadOnExit())
				{
					window.Get().SendCommand( IDM_FILE_CLOSE );
				}
				else if (OkToExit())
				{
					emulator.Unload();

					if (menu[IDM_MACHINE_SYSTEM_AUTO].Checked())
						Nes::Machine(emulator).SetMode( Nes::Machine::NTSC );

					::PostQuitMessage( EXIT_SUCCESS );
				}
			}
		}

		ibool Main::OnWinClose(Window::Param&)
		{
			Exit();
			return true;
		}

		ibool Main::OnWinQueryEndSession(Window::Param& param)
		{
			netplay.Close();

			if (emulator.IsImage())
				window.Get().SendCommand( IDM_FILE_CLOSE );

			param.lParam = !emulator.IsImage();
			return true;
		}

		void Main::OnCmdFileExit(uint)
		{
			Exit();
			Managers::Manager::Resume();
		}
	}
}